Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.05 0.025 0.25 0.02 0.05 0.025 0.25 0.02 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 0.5 pu 0.8 pu 1 pu 0.4 pu 0.5 pu 0.8 pu 1 pu 0.4 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pump storage schemes are used to improve the power factor. the plant capacity factor as well as the load factor of the power system. the diversity factor. the load factor. the power factor. the plant capacity factor as well as the load factor of the power system. the diversity factor. the load factor. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following transmission lines capacitance effect is negligible? medium transmission lines both 1 and 3 shoart transmission lines long transmission lines medium transmission lines both 1 and 3 shoart transmission lines long transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transformer is used in sub station for operating a protective relay? All of these auto transformer capacitor voltage transformer distribution transformer All of these auto transformer capacitor voltage transformer distribution transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 8 MΩ 32 MΩ 16 MΩ 4 MΩ 8 MΩ 32 MΩ 16 MΩ 4 MΩ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS